package com.sbuilder;

public class Demo01 {
    public static void main(String[] args) {

        StringBuilder sb = new StringBuilder();
        System.out.println("sb  = "+ sb );
        System.out.println("sb  length = "+sb.length());

        StringBuilder sb2 = new StringBuilder("Hello");
        System.out.println("sb2  = "+ sb );
        System.out.println("sb2  length = "+sb2.length());

    }
}
